r=8
10x3+8=80-60+? 30+8=20+? 38=20+? 38-20=? 18=? The answer is 18.
2a+54=38 2a=38-54 2a=-16 a=-16/2 a=-8
76
No. Substitute the value 8 for x, and you have 4x +6 = 4(8) +6 = 32 +6 = 38.
127
83
3x2=6+38=44
64
it is 28
It is 38 plus 7 equals 45
27 + 38 + 1656 + 2156 = 3877, not 3756
x=-6,5
2048
ANSWER 5 EXPLANATION The diagonals bisect each other so, AE=CE This implies that 3x+4+3x+4=38 6x+8=38 Group similar terms 6x=38-8 6x=30 x=5
Anton Heinrich Springer?
24 + 14 = 38